• 
  Kevin C. Fredrick

   Actor (1 episode, 2017)
• 
  Michael Stevens

   Himself / ... (8 episodes, 2017)
• 
  Trin Miller

  5 episodes, 2017
• 
  William Brown

  Self
• 
  Judy Ho

  Self - Clinical & Forensic Psychologist
• 
  Cory Kirk

  Cory
• 
  David Levy

  Self - Social Psychologist
• 
  Henry Mark

  Self

• 
  Dominic Monaghan

  Self
• 
  Ron Mossler

  Self
• 
  Mary Mouser

  Mary
• 
  Derek Muller

  Self
• 
  Mike Muratore

  Surveyor #1
• 
  Rosanna Pansino

  Self
• 
  Derek Paravicini

  Self

• 
  Robin Carhart-Harris

  Self
• 
  Adam Savage

  Self
• 
  Keller Wortham

  Self
• 
  Jake Roper

  Self
• 
  Marnie Stevens

  Self